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use sf_hull

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Justin Lin
2022-09-03 09:48:24 +08:00
parent fb73eced66
commit 4c46ac11fc
1 changed files with 23 additions and 1 deletions
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24
examples/spiral/climbing_rose.scad
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@@ -4,6 +4,7 @@ use <stereographic_extrude.scad>
use <sweep.scad> use <sweep.scad>
use <util/choose.scad> use <util/choose.scad>
use <util/reverse.scad> use <util/reverse.scad>
// use <surface/sf_hull.scad>
$fn = 12; $fn = 12;
width = 150; width = 150;
@@ -67,6 +68,27 @@ module climbing_rose() {
]; ];
sweep(reverse(sections)); sweep(reverse(sections));
/*
// very slow, but a thicker rose is allowed
sf_pts = [
for(theta = [theta_from:theta_step:theta_to]) [
for(rf = [0.1:rf_step:rf_to])
let(
r = r(rf,theta),
angle = theta * 57.2958,
angle2 = phi(theta)* 57.2958,
x = r*sin(angle),
y = r*cos(angle),
z = wave(theta)*(rf*cos(angle2)-g(rf,theta)*sin(angle2))
)
[x, y, z]
]
];
sf_hull(sf_pts, thickness, $fn = 3);
*/
} }
module draw(spirals) { module draw(spirals) {
@@ -94,7 +116,7 @@ module climbing_rose() {
translate([each p, 0] + [0, 0, rr * 0.55]) translate([each p, 0] + [0, 0, rr * 0.55])
rotate([0, rands(0, 1, 1)[0] > 0.5 ? 17 : -17, a]) rotate([0, rands(0, 1, 1)[0] > 0.5 ? 17 : -17, a])
rotate(a) rotate(a)
scale([rr * 4.5, rr * 4.5, rr * 3]) scale([rr * 6, rr * 6, rr * 5])
union() { union() {
rose(thickness, theta_from * rands(2.75, 3.25, 1)[0] * r / rr, rands(0.75, 1.25, 1)[0] * theta_to * r / rr, rf_to, rf_step); rose(thickness, theta_from * rands(2.75, 3.25, 1)[0] * r / rr, rands(0.75, 1.25, 1)[0] * theta_to * r / rr, rf_to, rf_step);
translate([0, 0, .125]) translate([0, 0, .125])